The presence of long memory in Realized Volatility (RV) is a widespread stylized fact. The origins of long memory in RV have been attributed to jumps, structural breaks, non-linearities, or pure long memory. An important development has been the Heterogeneous Autoregressive (HAR) model and its...

This paper investigates nonlinear effects of government debt on private consumption in 16 OECD countries. The estimated consumption function shows smooth regime switching depending on the debt-to-GDP ratio, and the threshold level of regime switching is found to be the ratio of 83.7 percent. The...